<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script type="text/javascript" src="../lib/jquery/jquery-1.11.1.js" ></script>
		<script type="text/javascript">
			
		</script>
	</head>
	<body>
		<h1>class属性快捷操作</h1>
        
        <div>this is jquery subject</div>

        <input type="button" value="设置" onclick="f1()" />
        <input type="button" value="删除class的属性值" onclick="f2()" />
        <input type="button" value="开关class属性值操作" onclick="f3()" />
	</body>
</html>
